第十一章_根尖周炎精品课件

第十一章 根尖周炎 Chapter 11 Periapical Periodontitis 教学内容及要求 第一节 急性根尖周炎 掌握根尖周病的概念及分类。掌握急性根尖 周炎病理分型及病理变化。掌握急性根尖脓 肿排脓途径。熟悉根尖周病病因学。熟悉 急性根尖炎的临床表现。 第二节 慢性根尖周炎 掌握根尖肉芽肿病理表现，上皮来 源及发展变化。(掌握根尖囊肿病理变化、病理学特 征)熟悉慢性根尖周炎的分型、临床表现。熟悉根尖 肉芽肿临床表现(根尖囊肿的临床表现)。了解根尖 周炎的免疫病理。了解致密性骨炎的病理、临床表 现。 Periapical Periodontitis 根尖周炎是根尖牙周膜受到各种 刺激引起的炎症性反应，常累及邻近 的牙槽骨和根尖部牙骨质，使其破坏 吸收。 Periapical Periodontitis 与牙髓炎相比: n根尖周有丰富的血管网和侧枝 循环易治愈和恢复; n疼痛能定位; n淋巴循环丰富炎症时引流区 淋巴结肿大 Periapical Periodontitis 病因： 1.感染 2.创伤 3.化学刺激 Periapical Periodontitis 病因： 1.感染 经根尖孔 牙周炎 血源性感染 致病力：内毒素、酶、细菌代谢 产物 Periapical Periodontitis 病因： 2.创伤 外伤 咬合创伤 根管治疗 正畸治疗 拔牙损伤邻牙 Periapical Periodontitis 病因： 3.化学刺激 As2O3 超过规定时间 根管消毒药物渗入根尖 根管治疗超充填 Periapical Periodontitis 分类 1.急性根尖周炎 急性浆液性根尖周炎 急性化脓性根尖周炎（急性牙槽 脓肿） 三个阶段： 根尖脓肿期 骨膜下脓肿期 黏膜下脓肿期 Periapical Periodontitis 分类 2.慢性根尖周炎 慢性根尖周脓肿 根尖周肉芽肿 根尖周致密性骨炎（反应性增生 变化） 返回目录主页 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